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Difference Between Tissue Engineering and Regenerative Medicine

June 5, 2017 Posted by Dr.Samanthi

Key Difference – Tissue Engineering vs Regenerative Medicine
 

Cells are the fundamental units of tissues of the living organisms. Each cell has a lifetime. When this lifetime ends, the cells die, and new cells are generated. This is a natural process known as apoptosis. However, some cells die prematurely due to various factors such as infection, toxin, trauma, etc. Stem cells are the undifferentiated cells which specialize later into tissues. Tissues and organs contribute to major functions in the body. Tissues are damaged due to different factors. Some tissues recover by regeneration. But some tissue damages cannot be recovered naturally. Using advanced technology and medicine, tissues can be transplanted, and tissue regeneration can be enhanced. Tissue engineering and regenerative medicine are rapidly developing two fields which help people who suffer from tissue loss and damages. The key difference between tissue engineering and regenerative medicine is that tissue engineering is defined as a practice of combining scaffolds, cells, and biologically active molecules into functional tissues while regenerative medicine is a broad field which includes tissue engineering and self-healing with the help of foreign biological material to recreate cells and rebuild tissues and organs. These two words are often used interchangeably.

CONTENTS
1. Overview and Key Difference
2. What is Tissue Engineering
3. What is Regenerative Medicine
4. Side by Side Comparison – Tissue Engineering vs Regenerative Medicine in Tabular Form
5. Summary
6. Download PDF Version

What is Tissue Engineering?

Tissue engineering is a technique which uses combining of cells, scaffolds or biologically active molecules into functional damaged tissues. It is a subfield of regenerative medicine. The objective of tissue engineering is to assemble functional constructs that restore, maintain, or improve damaged tissues or whole organs. There are several types of bioengineered organs manufactured using tissue engineering technologies. Some examples include artificial skin, cartilage, kidney, liver, etc.

Tissue engineering can be defined simply as a technology of manufacturing body parts ex vivo through combining cells or supporting scaffold. Tissue engineering process begins with the manufacturing of scaffolds prior to seeding cells of biologically active molecules. The scaffold can be made using proteins or plastics. Once the scaffold is manufactured, cells and growth factors can be supplied for tissue generation. The necessary environmental conditions should be maintained until the tissue develops. There is another method practiced in tissue engineering. It uses the existing scaffold to create new tissue, and the cells of donor organ are stripped. It is a promising technology to transplant liver, kidney, lung, heart tissue, etc.

Difference Between Tissue Engineering and Regenerative Medicine

Figure 01: Tissue Engineering

What is Regenerative Medicine?

Regenerative medicine is a broad field which includes tissue engineering and self-healing using own systems or aiding foreign biological materials to regenerate cells or tissues. Though tissue engineering is a subfield of regenerative medicine, these two fields focus on one main objective, which is curing patients who suffer from tissue problems. Regenerative medicine belongs to the field of health sciences which focuses on replacing or regenerating human cells, tissues or organs in order to re-establish normal functions. Regenerative medicine is an important field that helps regeneration of tired and falling organ systems and reduces the chronic diseases.

 Stem cells are used in regenerative medicine. These are the cells which are undifferentiated. They are pluripotent cells which can differentiate into many types of special tissues. Stem cells are engineered to restore or regenerate tissues.

Key Difference - Tissue Engineering vs Regenerative Medicine

Figure 02: Regenerative Medicine – Tissue and Organ Engineering

What is the difference between Tissue Engineering and Regenerative Medicine?

Tissue Engineering vs Regenerative Medicine

Tissue engineering is a field which aims to develop biological substitutes that restore, maintain and improve tissue function. Regenerative medicine is a field of health science which deals with the process of replacing, engineering or regenerating human cells, tissues or organs to restore normal functions.
Areas
Tissue engineering is a subfield of regenerative medicine. Regenerative medicine includes tissue engineering and molecular biology.

Summary – Tissue Engineering vs Regenerative Medicine

Tissue engineering is the practice of combining scaffolds, cells, and biologically active molecules into functional tissues. Tissue engineering falls under regenerative medicine which deals with the process of replacing regenerating cells or tissues to reestablish the normal tissue function. This is the difference between tissue engineering and regenerative medicine. Both fields are highly evolving fields in the medicine today.

Download PDF Version of Tissue Engineering vs Regenerative Medicine

You can download PDF version of this article and use it for offline purposes as per citation notes. Please download PDF version here Difference Between Tissue Engineering and Regenerative Medicine

References:

1. Katari, Ravi, Andrea Peloso, and Giuseppe Orlando. “Tissue Engineering and Regenerative Medicine: Semantic Considerations for an Evolving Paradigm.”Frontiers in Bioengineering and Biotechnology. Frontiers Media S.A., 2014. Web. Available here. 30 May 2017.
2. “Tissue Engineering and Regenerative Medicine.” National Institute of Biomedical Imaging and Bioengineering. U.S. Department of Health and Human Services, 02 Feb. 2017. Web. Available here. 30 May 2017.

Image Courtesy:

1. “Tissue engineering english” By HIA – Own work (CC BY 3.0) via Commons Wikimedia
2. “Regenerative Medicine – Tissue and Organ Engineering” By Community College Consortium for Bioscience Credentials – Own work (CC BY 4.0) via Commons Wikimedia

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Filed Under: Molecular Biology Tagged With: Compare Tissue Engineering and Regenerative Medicine, Regenerative Medicine, Regenerative Medicine Definition, Regenerative Medicine Features, Tissue Engineering, Tissue Engineering and Regenerative Medicine Differences, Tissue Engineering Definition, Tissue Engineering Features, Tissue Engineering vs Regenerative Medicine

About the Author: Dr.Samanthi

Dr. Samanthi Udayangani holds a BSc special degree in Plant Science, a M Sc. in Molecular and Applied Microbiology and a PhD in Applied Microbiology. She has more than eight years of research experience in the fields of beneficial soil microorganisms and Biofertilizers. Her research interests are Nitrogen fixing bacteria, Phosphate solubilizing microorganisms and plant-microbe interactions. She writes articles in the subjects of Microbiology, Pathology, Diseases, Biochemistry, Molecular Biology and Botany. You can read her researches on ResearchGate

Comments

  1. Bijaya Ghosh says

    April 27, 2022 at 8:14 am

    Simple language and remarkable clarity

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